A250309 - cp's OEIS frontend

A250309 a(n) = a(n-1)*(1 + a(n-1)/a(n-3)), with a(0) = a(1) = a(2) = 1.

n	a(n)
0	1
1	1
2	1
3	2
4	6
5	42
6	924
7	143220
8	488523420
9	258285263294520
10	465795819523189050504840
11	444125576385425970712647062585372630520
12	763680920404535561780141108036287312478667174369871222219397040

[1, 1, 1, 2, 6, 42, 924, 143220, 488523420, 258285263294520, 465795819523189050504840, 444125576385425970712647062585372630520, 763680920404535561780141108036287312478667174369871222219397040]

cp's OEIS Frontend

A250309 a(n) = a(n-1)*(1 + a(n-1)/a(n-3)), with a(0) = a(1) = a(2) = 1.

Table of values

List of values